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CRITICAL Actively exploited Used in ransomware CWE-78

CVE-2026-1731

Remote code execution vulnerability in BeyondTrust Remote Support (RS) and Privileged Remote Access (PRA)

BeyondTrust·Remote Support (RS) and Privileged Remote Access (PRA)

9.9/ 10
CVSS 4.0
Critical severity
94%
EPSS exploit odds
Chance of exploitation in the next 30 days
Higher than 99.8% of all CVEs
Listed
CISA KEV catalog
Added
Feb 13, 2026
Fix due
Feb 16, 2026
Ransomware
Known use
Timeline
Published
Feb 6, 2026
Updated
Feb 26, 2026
First covered
Jul 7, 2026
Latest story
4 months ago

Summary

BeyondTrust Remote Support (RS) and certain older versions of Privileged Remote Access (PRA) contain a critical pre-authentication remote code execution vulnerability. By sending specially crafted requests, an unauthenticated remote attacker may be able to execute operating system commands in the context of the site user.

CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Attack profile

Attack vectorNetwork
ComplexityLow
RequirementsNone
PrivilegesNone
User interactionNone
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:H/SA:L

CISA required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Affected products

  • BeyondTrust Remote Support(RS) & Privileged Remote Access(PRA)up to RS 25.3.1up to PRA 24.3.4

References

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